CN213116052U - High strength heat-insulating fireproof door - Google Patents
High strength heat-insulating fireproof door Download PDFInfo
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- CN213116052U CN213116052U CN202021523456.3U CN202021523456U CN213116052U CN 213116052 U CN213116052 U CN 213116052U CN 202021523456 U CN202021523456 U CN 202021523456U CN 213116052 U CN213116052 U CN 213116052U
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Abstract
The utility model provides a high strength prevents heat and prevents fire door, including the steel door plant, the steel door plant is equipped with thermal-insulated flame retardant coating, its characterized in that for two and two steel door plants that the interval set up between: the two steel door plates and the heat-insulating fireproof layer jointly form a heat-insulating pressure-bearing layer, the two heat-insulating pressure-bearing layers are arranged at intervals, asbestos heat-insulating layers are arranged on the steel door plates which are opposite to each other between the adjacent heat-insulating pressure-bearing layers, an aluminum support plate is arranged between the two asbestos heat-insulating layers, and the section of the support plate is wavy or W-shaped and is abutted against the asbestos heat-insulating layers to form a uniform heat buffer layer between the adjacent asbestos heat-insulating layers; and mirror reflection coatings are arranged on the front and back surfaces of the supporting plate. The utility model has the advantages of the fire prevention is thermal-insulated effectual, reduces heat conduction speed by a wide margin, improves the fire prevention time.
Description
Technical Field
The utility model relates to a prevent fire door field, concretely relates to high strength prevents heat and prevents fire door.
Background
A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.
The existing fireproof doors comprise a wooden fireproof door, a steel-wood fireproof door, other fireproof doors and the like; the steel fireproof door is characterized in that a door frame, a door leaf framework and a door leaf panel are made of steel materials, and the door leaf is filled with materials to realize protection and heat insulation; according to the regulations, steel and wood fire doors can be classified into a first class, a second class and a third class according to the fire endurance, the fire endurance requirements are respectively 90 minutes, 60 minutes and 30 minutes, and the fire endurance is only a grade performance parameter of the fire doors, but the fire scene is inexistent, the fire doors are better, and the fire protection time is also limited, so that even the existing first class fire doors can reach the fire endurance of more than 90 minutes, the life and property safety of people is not determined by limiting the fire protection time standard, the longer the fire protection time is, and the life and property safety of people can be ensured.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a fire prevention is thermal-insulated effectual, reduces heat conduction speed by a wide margin, improves the high strength heat-insulating fire door that prevents the fire time.
Aiming at the problems, the following technical scheme is provided: the high-strength heat-insulation fireproof door comprises steel door plates, wherein a heat-insulation fireproof layer is arranged between two steel door plates which are arranged at intervals, the two steel door plates and the heat-insulation fireproof layer jointly form a heat-insulation pressure-bearing layer, the two heat-insulation pressure-bearing layers are arranged at intervals, asbestos heat-insulation layers are arranged on the steel door plates which are opposite to each other between the adjacent heat-insulation pressure-bearing layers, an aluminum support plate is arranged between the two asbestos heat-insulation layers, the section of the support plate is wavy or W-shaped and abuts against the asbestos heat-insulation layers, and a uniform heat buffer layer is formed between the adjacent asbestos heat-insulation layers.
In the structure, the two heat insulation and pressure bearing layers can ensure that any side of the fireproof door can be effectively blocked when a fire occurs, the asbestos heat insulation layers are arranged on the steel door plates of the two heat insulation and pressure bearing layers which are opposite to each other, and the two heat insulation and pressure bearing layers are supported between the two asbestos heat insulation layers through the supporting plate, so that a uniform heat buffer layer is formed between the two heat insulation and pressure bearing layers, namely a uniform heat buffer layer is added between the two traditional steel fireproof doors, the heat insulation effect is inevitably and greatly improved, the section of the aluminum supporting plate is wavy or W-shaped, the two asbestos heat insulation layers are pressed on the steel door plates of the two heat insulation and pressure bearing layers which are opposite to each other on the premise of effectively ensuring the rigidity and the strength of the aluminum supporting plate, the heat transfer is reduced by compacting asbestos on the asbestos heat insulation and the heat of the heat insulation and pressure bearing layers is transmitted to, the uniform heat buffer layer can effectively control the whole weight of the fire door while reducing the heat transfer efficiency, although the heat transfer speed of the aluminum support plate is higher than that of the asbestos heat insulation layer, the ignited side of the aluminum support plate is protected by the heat insulation fireproof layer and the asbestos heat insulation layer, and heat is transferred to the asbestos heat insulation layer through the heat insulation fireproof layer and then transferred to the other heat insulation fireproof layer through the support plate, so that the heat insulation fireproof layer is extremely difficult to support by utilizing the self support performance of the support plate, the space between the two heat insulation bearing layers is indirectly supported and controlled, the noise is effectively reduced, the weight is reduced while the noise is effectively reduced, and the resonance generated when the door is closed and opened can also be reduced; the heat-insulating and fireproof layer is a perlite plate.
The utility model discloses further set up to, when the backup pad was arranged in between the adjacent asbestos insulating layer, its wave or "W" shape sectional plane of projection perpendicular to ground.
In the structure, because the height of the fire door is often larger than the width of the fire door, the projection plane of the wave-shaped or W-shaped section is perpendicular to the ground, and the bending section of the support plate can be utilized to assist in improving the rigidity of the whole fire door.
The utility model discloses further set up as, steel door plant thickness is 1mm-3 mm.
In the above-mentioned structure, according to the fire door that prevents of different areas, steel door plant thickness is directly proportional with prevent fire door area.
The utility model discloses further set up as, thermal-insulated fire protection layer thickness is 5mm-60 mm.
In the structure, according to the fireproof doors with different areas and fireproof requirements, the thickness of the heat-insulating fireproof layer is preferably in direct proportion to the area of the fireproof door.
The utility model discloses it further sets up to, even hot buffer layer separates 10mm-40mm each other.
In the structure, the larger the spacing distance between the uniform heat buffer layers is, the thicker the asbestos heat insulation layer which can be accommodated is, and the better the heat insulation effect is.
The utility model discloses further set up as, the asbestos thermal-insulated layer thickness is 5mm-30 mm.
In the structure, the thickness of the asbestos heat insulation layer is the thickness of asbestos which is not extruded by the support plate.
The utility model is further arranged that the wall thickness of the plate is 0.5mm-2mm before the support plate is bent into wave shape or W shape; the whole thickness of the support plate after being bent into a wave shape or a W shape is 5mm-30 mm.
In the structure, the thickness of the plate wall and the whole thickness are in direct proportion to the area of the fireproof door.
The utility model discloses further set up as, the positive and negative surface of backup pad is equipped with the specular reflection cladding material.
In the structure, the specular reflection coating can reflect part of heat transferred from the asbestos heat insulation layer, so that the heat insulation effect is further improved.
The utility model has the advantages that: the two heat insulation and pressure bearing layers can ensure that any side of the fire door can be effectively blocked when fire occurs, the two heat insulation and pressure bearing layers are provided with asbestos heat insulation layers on the steel door plates which are opposite to each other and are supported between the two asbestos heat insulation layers through the supporting plate, so that a uniform heat buffer layer is formed between the two heat insulation and pressure bearing layers, equivalently, a uniform heat buffer layer is added between the two traditional steel fire doors, the heat insulation effect is inevitably and greatly improved, the section of the aluminum supporting plate is wavy or W-shaped, on the premise of effectively ensuring the rigidity and the strength of the aluminum supporting plate, the two asbestos heat insulation layers are pressed on the steel door plates which are opposite to each other of the two heat insulation and pressure bearing layers, the heat transfer is reduced by compacting asbestos on the asbestos heat insulation layers, the heat of the heat insulation and pressure bearing layers is generated when being transferred to the other heat insulation and pressure bearing layers, the fire resistance of the fire door is improved, and the uniform, although the heat transfer speed of the aluminum support plate is higher than that of the asbestos heat insulation layer, the surface on fire is protected by the heat insulation fireproof layer and the asbestos heat insulation layer, and heat is transferred to the asbestos heat insulation layer through the heat insulation fireproof layer and then transferred to the other side asbestos heat insulation layer through the support plate, so that the heat is extremely difficult to transfer to the other heat insulation fireproof layer, the two asbestos heat insulation layers can be supported by utilizing the self supporting performance of the support plate, the distance between the two heat insulation pressure bearing layers is indirectly supported and controlled, the noise is effectively reduced, the weight is reduced, and the resonance generated when the door is closed and opened can also be reduced; the heat-insulating and fireproof layer is a perlite plate.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
The reference numbers in the figures mean: 1-heat insulation pressure bearing layer; 10-a steel door panel; 11-heat insulation and fire prevention layer; 2-uniform thermal buffer layer; 20-asbestos insulation layer; 21-support plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, the high-strength heat-insulation fireproof door shown in fig. 1 comprises two steel door panels 10, wherein two heat-insulation fireproof layers 11 are arranged between two steel door panels 10 arranged at intervals, the two steel door panels 10 and the heat-insulation fireproof layers 11 jointly form heat-insulation pressure-bearing layers 1, the two heat-insulation pressure-bearing layers 1 are arranged at intervals, asbestos heat-insulation layers 20 are arranged on the steel door panels 10 opposite to each other between the adjacent heat-insulation pressure-bearing layers 1, an aluminum support plate 21 is arranged between the two asbestos heat-insulation layers 20, and the cross section of the support plate 21 is wavy or W-shaped and abuts against the asbestos heat-insulation layers 20 to form a uniform heat buffer layer 2 between the adjacent asbestos heat-insulation layers 20.
In the structure, the two heat-insulating and pressure-bearing layers 1 can ensure that any side of the fire door can be effectively blocked when fire occurs, the asbestos heat-insulating layers 20 are arranged on the steel door plates 10 of the two heat-insulating and pressure-bearing layers 1 which are opposite to each other, and the two heat-insulating and pressure-bearing layers are supported between the two asbestos heat-insulating layers 20 through the supporting plate 21, so that the heat-equalizing buffer layer 2 is formed between the two heat-insulating and pressure-bearing layers 1, which is equivalent to the fact that one heat-equalizing buffer layer 2 is added between the two traditional steel fire doors, the heat-insulating effect is inevitably and greatly improved, the section of the aluminum supporting plate 21 is wavy or W-shaped, on the premise that the rigidity and the strength of the aluminum supporting plate can be effectively ensured, the two asbestos heat-insulating and pressure-bearing layers 20 are pressed on the steel door plates 10 of the two heat-insulating and pressure-bearing layers 1 which are opposite, therefore, the fire resistance of the fire door is improved, the heat transfer efficiency of the even heat buffer layer 2 is reduced, and the whole weight of the fire door can be effectively controlled, although the heat transfer speed of the aluminum support plate 21 is higher than that of the asbestos heat insulation layer 20, because the fired surface is protected by the heat insulation and fire prevention layer 11 and the asbestos heat insulation layer 20, the heat is transmitted to the asbestos heat insulation layer 20 through the heat insulation and fire prevention layer 11, then is transmitted to the other heat insulation and fire prevention layer 11 through the support plate 21, and is extremely difficult to transmit, so that the two asbestos heat insulation layers 20 can be supported by utilizing the self supporting performance of the support plate 21, the distance between the two heat insulation pressure bearing layers 1 is indirectly supported and controlled, the noise is effectively reduced, the weight is reduced, and the resonance generated when the door is; the heat-insulating and fireproof layer 11 is a perlite plate.
In this embodiment, when the supporting plate 21 is disposed between adjacent asbestos insulation layers 20, the projection plane of the wavy or "W" shaped cross section is perpendicular to the ground.
In the above structure, since the height of the fire door is often larger than the width, the projection plane of the wave-shaped or "W" shaped cross section perpendicular to the ground can assist in increasing the rigidity of the whole fire door by the bent cross section of the support plate 21 itself.
In this embodiment, the thickness of the steel door panel 10 is 1mm to 3 mm.
In the above structure, according to the fireproof doors with different areas, the thickness of the steel door plate 10 is proportional to the area of the fireproof door.
In this embodiment, the thickness of the heat-insulating and fire-proof layer 11 is 5mm-60 mm.
In the above structure, the thickness of the heat-insulating and fire-protecting layer 11 is preferably proportional to the area of the fire-protecting door according to the fire-protecting door with different areas and fire-protecting requirements.
In this embodiment, the uniform thermal buffer layers 2 are spaced apart from each other by 10mm to 40 mm.
In the above structure, the larger the distance between the uniform heat buffer layers 2 is, the thicker the asbestos insulation layer 20 can be accommodated, and the better the insulation effect is.
In this embodiment, the asbestos thermal insulation layer 20 is 5mm to 30mm thick.
In the above structure, the asbestos insulation layer 20 is formed to have a thickness that is not pressed by the support plate 21.
In this embodiment, the wall thickness T1 of the plate material of the support plate 21 before it is bent into a wave shape or a W shape is 0.5mm to 2 mm; the overall thickness T2 of the support plate 21 after being bent into a wave shape or "W" shape is 5mm-30 mm.
In the above structure, the thickness T1 of the plate and the overall thickness T2 are proportional to the area of the fire door.
In this embodiment, the front and back surfaces of the supporting plate 21 are provided with mirror reflection coatings (not shown).
In the above structure, the specular reflection coating layer can reflect part of the heat transferred from the asbestos insulation layer 20, thereby further improving the heat insulation effect.
In this embodiment, the two steel door panels 10 of the heat insulation and pressure bearing layer 1 are butted by the outer edges thereof through the hems (not shown in the figure), and the hems of the two heat insulation and pressure bearing layers 1 are butted by the total hems (not shown in the figure) wrapped on the respective hems.
In the structure, the edge covers realize butt joint of the outer contours of the adjacent steel door plates 10 on the heat insulation pressure-bearing layer 1; the overall binding joins the binding of the two insulating and pressure bearing layers 1 together into the fire door body.
The utility model has the advantages that: the two heat insulation and pressure bearing layers 1 can ensure that any side of the fire door can be effectively blocked when fire occurs, the two heat insulation and pressure bearing layers 1 are provided with the asbestos heat insulation layers 20 on the steel door plates 10 which are opposite to each other and are supported between the two asbestos heat insulation layers 20 through the supporting plate 21, so that the uniform heat buffer layer 2 is formed between the two heat insulation and pressure bearing layers 1, equivalently, a uniform heat buffer layer 2 is added between the two traditional steel fire doors, the heat insulation effect is inevitably and greatly improved, the section of the aluminum supporting plate 21 is wavy or W-shaped, on the premise of effectively ensuring the rigidity and the strength of the aluminum supporting plate, the two asbestos heat insulation layers 20 are pressed on the steel door plates 10 which are opposite to each other of the two heat insulation and pressure bearing layers 1, the heat transfer is reduced by compacting asbestos on the asbestos heat insulation and pressure bearing layers 20, and the heat of the heat insulation and pressure bearing layers 1 is, therefore, the fire resistance of the fire door is improved, the heat transfer efficiency of the even heat buffer layer 2 is reduced, and the whole weight of the fire door can be effectively controlled, although the heat transfer speed of the aluminum support plate 21 is higher than that of the asbestos heat insulation layer 20, because the fired surface is protected by the heat insulation and fire prevention layer 11 and the asbestos heat insulation layer 20, the heat is transmitted to the asbestos heat insulation layer 20 through the heat insulation and fire prevention layer 11, then is transmitted to the other heat insulation and fire prevention layer 11 through the support plate 21, and is extremely difficult to transmit, so that the two asbestos heat insulation layers 20 can be supported by utilizing the self supporting performance of the support plate 21, the distance between the two heat insulation pressure bearing layers 1 is indirectly supported and controlled, the noise is effectively reduced, the weight is reduced, and the resonance generated when the door is; the heat-insulating and fireproof layer 11 is a perlite plate.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a high strength prevents heat and prevents fire door, includes the steel door plant, the steel door plant is equipped with thermal-insulated flame retardant coating for two and two steel door plants that the interval set up, its characterized in that: the two steel door plates and the heat-insulating fireproof layer jointly form a heat-insulating pressure-bearing layer, the two heat-insulating pressure-bearing layers are arranged at intervals, asbestos heat-insulating layers are arranged on the steel door plates which are opposite to each other between the adjacent heat-insulating pressure-bearing layers, an aluminum support plate is arranged between the two asbestos heat-insulating layers, and the section of the support plate is wavy or W-shaped and is abutted against the asbestos heat-insulating layers to form a uniform heat buffer layer between the adjacent asbestos heat-insulating layers; and mirror reflection coatings are arranged on the front and back surfaces of the supporting plate.
2. A high strength fire door as claimed in claim 1, further comprising: when the supporting plate is arranged between the adjacent asbestos heat insulation layers, the projection plane of the wavy or W-shaped section of the supporting plate is vertical to the ground.
3. A high strength fire door as claimed in claim 1, further comprising: the thickness of the steel door plate is 1mm-3 mm.
4. A high strength fire door as claimed in claim 1, further comprising: the thickness of the heat-insulating fireproof layer is 5mm-60 mm.
5. A high strength fire door as claimed in claim 1, further comprising: the uniform thermal buffer layers are spaced from each other by 10mm-40 mm.
6. A high strength fire door as claimed in claim 1 or 5, further comprising: the thickness of the asbestos heat insulation layer is 5mm-30 mm.
7. A high strength fire door as claimed in claim 6, wherein: the wall thickness of the plate is 0.5mm-2mm before the support plate is bent into a wave shape or W shape; the whole thickness of the support plate after being bent into a wave shape or a W shape is 5mm-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523456.3U CN213116052U (en) | 2020-07-28 | 2020-07-28 | High strength heat-insulating fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523456.3U CN213116052U (en) | 2020-07-28 | 2020-07-28 | High strength heat-insulating fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116052U true CN213116052U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021523456.3U Active CN213116052U (en) | 2020-07-28 | 2020-07-28 | High strength heat-insulating fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116052U (en) |
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2020
- 2020-07-28 CN CN202021523456.3U patent/CN213116052U/en active Active
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